Module: HasModerated::Associations::Base::ApplyModeration

Defined in:
lib/has_moderated/associations/base.rb

Overview

module

Class Method Summary collapse

Class Method Details

.add_assoc_to_record(to, assoc_id, reflection) ⇒ Object 



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# File 'lib/has_moderated/associations/base.rb', line 53

def self.add_assoc_to_record(to, assoc_id, reflection)
  return unless to && assoc_id

  # TODO has_one weirdness?
  if reflection.macro == :has_many || reflection.macro == :has_and_belongs_to_many
    HasModerated::Associations::Collection::AssociationHelpers::add_assoc_to_record(to, assoc_id, reflection)
  end
end

.apply(record, data, save_opts = Hash.new, preview_mode = false) ⇒ Object

add/delete associations to a record



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# File 'lib/has_moderated/associations/base.rb', line 142

def self.apply(record, data, save_opts = Hash.new, preview_mode = false)
  record.instance_variable_set(:@has_moderated_preview, true) if preview_mode
  associations = data[:associations]
  delete_associations = data[:delete_associations]

  associations && associations.each_pair do |assoc_name, assoc_records|
    reflection = record.class.reflections[assoc_name.to_sym]

    assoc_records.each do |attrs|
      apply_add_association(record, reflection, attrs, save_opts) if attrs.present?
    end
  end

  delete_associations && delete_associations.each_pair do |assoc_name, assoc_records|
    reflection = record.class.reflections[assoc_name.to_sym]

    assoc_records.each do |attrs|
      apply_delete_association(record, reflection, attrs) if attrs.present?
    end
  end

  record
end

.apply_add_association(to, reflection, attrs, save_opts = Hash.new) ⇒ Object 



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# File 'lib/has_moderated/associations/base.rb', line 72

def self.apply_add_association(to, reflection, attrs, save_opts = Hash.new)
  preview_mode = to.instance_variable_get(:@has_moderated_preview)
  klass = reflection.class_name.constantize
  fk = HasModerated::ActiveRecordHelpers::foreign_key(reflection)

  attrs = HashWithIndifferentAccess.new(attrs) if attrs.kind_of? Hash

  # TODO: perhaps allow to change existing associated object
  if attrs.class != Fixnum && !attrs[:id].blank?
    attrs = attrs[:id].to_i
  end

  # parse new associations
  try_without_moderation(to) do |rec|
    arec = nil
    # PARAM = ID
    if attrs.class == Fixnum
      arec = klass.find_by_id(attrs)
      arec.instance_variable_set(:@has_moderated_preview, preview_mode)
      add_assoc_to_record(rec, arec, reflection)
    # PARAM = Hash (create)
    elsif attrs.kind_of? Hash
      arec = klass.new
      arec.instance_variable_set(:@has_moderated_preview, preview_mode)
      # set foreign key first, may be required sometimes
      add_assoc_to_record(rec, arec, reflection)
      attrs.each_pair do |key, val|
        next if key.to_s == 'associations' || key.to_s == 'id' || key.to_s == fk
        arec.send(key.to_s+"=", val)
      end
      # recursive, used for has_many :through
      if attrs[:associations].present?
        Moderation.without_moderation do
          arec.save(save_opts)
        end
        apply(arec, attrs, save_opts, preview_mode)
      end
    else
      raise "don't know how to parse #{attrs.class}"
    end
    if arec
      try_without_moderation(arec) do
        arec.save(save_opts)
      end
      if reflection.collection?
        rec = rec.reload
        rec.instance_variable_set(:@has_moderated_preview, true) if preview_mode
        #rec.send(reflection.name.to_s) << arec unless rec.send(reflection.name.to_s).include?(arec)
      else
        rec.send(reflection.name.to_s + "=", arec)
        rec.save(save_opts)
      end
    end
  end
end

.apply_delete_association(to, reflection, attrs) ⇒ Object 



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# File 'lib/has_moderated/associations/base.rb', line 128

def self.apply_delete_association(to, reflection, attrs)
  m = reflection.class_name.constantize

  fk = HasModerated::ActiveRecordHelpers::foreign_key(reflection)

  return if attrs.blank?
  return if attrs.class != Fixnum

  try_without_moderation(to) do
    delete_assoc_from_record(to, attrs, reflection)
  end
end

.delete_assoc_from_record(from, assoc_id, reflection) ⇒ Object 



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# File 'lib/has_moderated/associations/base.rb', line 62

def self.delete_assoc_from_record(from, assoc_id, reflection)
  return unless from && assoc_id

  if reflection.macro == :has_one
    HasModerated::Associations::HasOne::AssociationHelpers::delete_assoc_from_record(from, assoc_id, reflection)
  else
    HasModerated::Associations::Collection::AssociationHelpers::delete_assoc_from_record(from, assoc_id, reflection)
  end
end

.try_without_moderation(*args, &block) ⇒ Object

just a helper



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# File 'lib/has_moderated/associations/base.rb', line 49

def self.try_without_moderation(*args, &block)
  HasModerated::Common::try_without_moderation(*args, &block)
end